JPH01142285U - - Google Patents
Info
- Publication number
- JPH01142285U JPH01142285U JP1988037711U JP3771188U JPH01142285U JP H01142285 U JPH01142285 U JP H01142285U JP 1988037711 U JP1988037711 U JP 1988037711U JP 3771188 U JP3771188 U JP 3771188U JP H01142285 U JPH01142285 U JP H01142285U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- character display
- contrast
- video signal
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Studio Circuits (AREA)
- Television Receiver Circuits (AREA)
Description
図はこの考案の一実施例を示す文字表示回路の
ブロツク図である。
図において、１は増幅器、２はＭＩＸ、３は映
像用信号、４はコントラスト信号、５は文字表示
信号を示す。
The figure is a block diagram of a character display circuit showing one embodiment of this invention. In the figure, 1 is an amplifier, 2 is a MIX, 3 is a video signal, 4 is a contrast signal, and 5 is a character display signal.
Claims (1)
ト比を可変出きるテレビにおいて、文字表示信号
の明るさをコントラスト信号により可変出きる増
幅器と、映像信号と文字表示信号を混合できるＭ
ＩＸ回路を有し、映像信号と文字表示信号がコン
トラスト信号により連動することを特徴とする文
字表示回路。 In televisions where the contrast ratio of the video signal can be varied using a contrast signal, there is an amplifier that can vary the brightness of the character display signal using the contrast signal, and an M that can mix the video signal and the character display signal.
A character display circuit comprising an IX circuit, wherein a video signal and a character display signal are linked by a contrast signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988037711U JPH01142285U (en) | 1988-03-22 | 1988-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988037711U JPH01142285U (en) | 1988-03-22 | 1988-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142285U true JPH01142285U (en) | 1989-09-29 |
Family
ID=31264286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988037711U Pending JPH01142285U (en) | 1988-03-22 | 1988-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142285U (en) |
-
1988
- 1988-03-22 JP JP1988037711U patent/JPH01142285U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01142285U (en) | ||
| JPS61197778U (en) | ||
| JPH01108674U (en) | ||
| JPS5869883U (en) | data display device | |
| JPH01139689U (en) | ||
| JPS61105903U (en) | ||
| JPH01113477U (en) | ||
| JPS6160544U (en) | ||
| JPS6326122U (en) | ||
| JPH01177789U (en) | ||
| JPH044482U (en) | ||
| JPS61113470U (en) | ||
| JPH0290577U (en) | ||
| JPS60156594U (en) | contrast control circuit | |
| JPS6181690U (en) | ||
| JPS63183908U (en) | ||
| JPS61146068U (en) | ||
| JPH0353022U (en) | ||
| JPH0224386U (en) | ||
| JPH0345595U (en) | ||
| JPS6312920U (en) | ||
| JPH01117113U (en) | ||
| JPH0370470U (en) | ||
| JPH03105893U (en) | ||
| JPS6413086U (en) |